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Finding the Fourth Proportional to 12,207.75, 18,311.63 and 2,973.75

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Solution

The fourth proportional to 12,207.75, 18,311.63 and 2,973.75 is: 4,460.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207.75 : 18,311.63 = 2,973.75 : x
  2. Step 2: Convert to fraction form
    12,207.75/18,311.63 = 2,973.75/x
  3. Step 3: Cross multiply
    12,207.75x = 18,311.63 × 2,973.75
  4. Step 4: Simplify right side
    12,207.75x = 54,454,194.84
  5. Step 5: Solve for x
    x = 54,454,194.84/12,207.75
  6. Step 6: Final answer
    x = 4,460.63

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